Operating systems supported by the "one" app
Apple iPhone
iOS 10.3 and above
Apple Watch
watchOS 4.0 and above
Android smartphones
Android 5.0.x and above
Browsers supported by the "one" online portal
"one" supports the latest versions of the following web browsers: Google Chrome, Mozilla Firefox, Microsoft Edge (only Windows), Microsoft Internet Explorer (only Windows) and Apple Safari (only Mac OS). There are likely to be limitations if you are using older versions of these browsers.
You must also allow cookies and JavaScript to be used in your browser. These two components are normally activated in your browser.